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Hugtakasafn þýðingamiðstöðvar utanríkisráðuneytisins

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Hugtakasafn : Eitt hugtak
ÍSLENSKA
aukanæringarefni
ENSKA
secondary nutrient
DANSKA
sekundært næringsstof
SÆNSKA
sekundärt näringsämne
FRANSKA
élément fertilisant secondaire
ÞÝSKA
sekundärer Nährstoff
Svið
landbúnaður
Dæmi
[is] Aukanæringarefni í áburði
[en] Secondary nutrients in fertilisers

Skilgreining
[en] the elements calcium, magnesium, sodium and sulphur (IATE); the mineral nutrients are divided into two groups: macronutrients and micronutrients.
Macronutrients Macronutrients can be broken into two more groups: primary and secondary nutrients.

The primary nutrients are nitrogen (N), phosphorus (P), and potassium (K). These major nutrients usually are lacking from the soil first because plants use large amounts for their growth and survival.

The secondary nutrients are calcium (Ca), magnesium (Mg), and sulfur (S). There are usually enough of these nutrients in the soil so fertilization is not always needed. Also, large amounts of Calcium and Magnesium are added when lime is applied to acidic soils. Sulfur is usually found in sufficient amounts from the slow decomposition of soil organic matter, an important reason for not throwing out grass clippings and leaves (http://www.ncagr.gov/cyber/kidswrld/plant/nutrient.htm); Macronutrients: used in large quantities by the plant

Structural nutrients: C, H, O

Primary nutrients: N, P, K

Secondary nutrients: Ca, Mg, S

Micronutrients: used in small quantities by the plant

Fe, B, Cu, Cl, Mn, Mo, Zn, Co, Ni (https://nrcca.cals.cornell.edu/soilFertilityCA/CA1/CA1_print.html)

Rit
[is] Reglugerð Evrópuþingsins og ráðsins (EB) nr. 2003/2003 frá 13. október 2003 um áburð

[en] Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relating to fertilisers

Skjal nr.
32003R2003-B
Orðflokkur
no.
Kyn
hk.
ENSKA annar ritháttur
secondary macro-nutrient

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